<?php
$categorias = $this->requestAction('Categorias/index/');
?>

<?php foreach ($categorias as $c => $categoria): ?>
  <p><?php echo $categoria['Categoria']['categoria'] ?></p>
   <hr>
        <?php foreach ($categoria['Producto'] as $i): ?>
           <p> <?php echo $i['producto'] ?></p>
                  <?php endforeach; ?>
<?php endforeach; ?>
